Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged R
0
votes
358
views
1
answer
r - Split a column to multiple columns
I have table that the first column is: chr10:100002872-100002872 chr10:100003981-100003981 chr10:100004774-100004774 chr10 ... What should I do? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
525
views
1
answer
r - Stacked bar chart with group by and facet
My data looks like this: system operation_type prep_time operation_time A x 0.7 1.4 A y 0.11 2.3 A z 1.22 ... figure out how I can do that. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
612
views
1
answer
r - as.POSIXct with datetimes including midnight
I am wanting to convert date-times stored as characters to date-time objects. However if a date time ... you suggest an alternative function? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
384
views
1
answer
r - object 'C_stri_join' not found - Using knitr in Rstudio
When using the knit button in Rstudio I get an error object 'C_stri_join' not found. Here is an example: - ... little details are given there. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
390
views
1
answer
r - Filter a column which contains several keywords
I am trying to filter a column which contains several keywords (in this example dog and cat) but I am having ... be grateful for your help. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
524
views
1
answer
r - How to replace lower/upper triangular elements of a matrix?
My question: Amat <- diag(4) I would like to replace all the lower triangular values of Amat (i.e. Amat[2,1 ... to do it with a single command? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
449
views
1
answer
r - ggplot for loop outputs all the same graph
I've written a for loop which goes through the columns of a dataframe and produces a graph for each column using ... to work for this problem. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
380
views
1
answer
r - Filter group of rows based on sum of values from different column
I'm trying to filter out whole rows in R, but only if the frequencies for a particular set don't add up to more than ... (HW) %>% filter(Fr > 5) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
310
views
1
answer
r - How to manage parallel processing with animated ggplot2-plot?
I'm trying to build an animated barplot with ggplot2 and magick that's growing on a "day per day" base. ... this option to make it work. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
594
views
1
answer
r - Cumulative number of unique values in a column up to current row
I have a data frame, donorInfo, with donor information: id giftdate giftamt 002 2001-01-05 25.00 033 ... things. Thanks for any suggestions. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
1.0k
views
1
answer
r - How to remove NA from facet_wrap in ggplot2?
I am trying to use facet_wrap to make a polygon map in ggplot2. I have two factor levels (soybean, ... losses by municipalities with NA values See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
429
views
1
answer
r - Dealing with NaN's in matlab functions
I was wondering if matlab has a built in way to deal with NaN's in function calls. More specifically, I am ... 't use something like nanmean(). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
480
views
1
answer
r - Can ggplot2 find the intersections - or is there any other neat way?
In an experiment, blood pressure is measured at several time points. Blood pressure rises and declines during ... intersection") Any solutions? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
559
views
1
answer
r - Get most frequent string from a data frame column
I need to return the n most frequent occurrences of a string, using a multiple row data frame as the input. All the values ... 5 6 7 8 9 10 ... See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
460
views
1
answer
r - for loop within custom function to create ggplot time series plots
I'm having a hard time trying to create a function with a for loop that takes the columns in a data frame ... plot for each column like this: See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
313
views
1
answer
r - Efficient method to filter and add based on certain conditions (3 conditions in this case)
I have a data frame which looks like this a b c d 1 1 1 0 1 1 1 200 1 1 1 300 1 1 2 0 1 ... . The original data frame has about a million rows. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
356
views
1
answer
r - error in running factor() on a column of a data frame
I have a dataframe which has several columns. I want to run the factor() function on one of the columns, say name my_col. ... 2.9 2.5 1.9 ... See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
410
views
1
answer
r - Finding number of elements in one vector that are less than an element in another vector
Say we have a couple vectors a <- c(1, 2, 2, 4, 7) b <- c(1, 2, 3, 5, 7) For each element ... result2) && identical(result2, result3) # [1] TRUE See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
621
views
1
answer
r - Arranging GGally plots with gridExtra?
I'd like to arrange my ggpairs plots with arrangeGrob: library(GGally) library(gridExtra) df <- structure(list( ... to work around this problem? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
417
views
1
answer
r - Merge data.frames with duplicates
I have many data.frames, for example: df1 = data.frame(names=c('a','b','c','c','d'),data1= ... can't generate unique identifier for replicates. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
443
views
1
answer
r - fread and a quoted multi-line column value
> fread('col1,col2 ') Empty data.table (0 rows) of 2 cols: col1,col2 > fread('col1,col2 5,4') col1 ... something that just wasn't yet tested. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
581
views
1
answer
r - How To Avoid Density Curve Getting Cut Off In Plot
I am working on an assignment using R and the fitted density curve that is overlaid on the histogram is cut off ... ? Thank you for your help! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
399
views
1
answer
r - lm and predict - agreement of data.frame names
Working in R to develop regression models, I have something akin to this: c_lm = lm(trainingset$dependent ~ ... it does in lm? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
346
views
1
answer
r - Add months of zero demand to zoo time series
I have some intermittent demand data that only includes lines where demand is present. I bring it in via read.csv, and ... 01 2013-11-01 2 3 6 See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
478
views
1
answer
r - backports 1.1.1 package fails to install
I am unable to public my R notebook. When I try to publish, I get the following error: Console~/ Console ... backports' had non-zero exit status See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
419
views
1
answer
r - Ordering factors in each facet of ggplot by y-axis value
Lets say, in R, I have a data frame letters, numbers and animals and I want to examine the relationship ... each panel. Any clever ideas? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
1.2k
views
1
answer
r - Caret error: "all the Accuracy metric values are missing"
I'm getting the following error and I don't know what may have gone wrong. I'm using R Studio with the 3.1.3 ... , weights = w, ...) : Stopping See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
560
views
1
answer
r - How to plot a boxplot with correctly spaced continuous x-axis values in ggplot2
I am attempting to plot a boxplot where my x-axis is a continuous time-scale which is growing degree ... ggplot2 specific solution preferably. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
Page:
« prev
1
...
63
64
65
66
67
68
69
70
71
72
73
...
263
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] ERROR: Can't map PGType with oid=1700 to Crate type
[2] ruby on rails - Does load_and_authorize_resource authorize every single action in a controller, or just RESTful ones?
[3] 有什么方式可支持http环境定位? 百度地图定位不准,其他的地图API都需要https环境
[4] Angular 11.x AbstractControl valueChanges rxjs 如何只取最后一个值的请求
[5] go - Generating combinatorial string from map
[6] css 实现布局
[7] 关于在Go Gin框架中如何优雅捕获404、500错误的方法?
[8] yii2使用joinwith 子表数据为null,添加asArray后,正常,询问下原因?
[9] wordpress - Domain error - HTTP proxy header not allowed
[10] javascript - Get product permalink and ID using Next JS and Commerce.js
2.1m
questions
2.1m
answers
60
comments
57.0k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
...